351123255349 has 2 divisors, whose sum is σ = 351123255350. Its totient is φ = 351123255348.

The previous prime is 351123255277. The next prime is 351123255383. The reversal of 351123255349 is 943552321153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350679521124 + 443734225 = 592182^2 + 21065^2 .

It is a cyclic number.

It is not a de Polignac number, because 351123255349 - 2²¹ = 351121158197 is a prime.

It is a super-2 number, since 2×351123255349² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351123285349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175561627674 + 175561627675.

It is an arithmetic number, because the mean of its divisors is an integer number (175561627675).

Almost surely, 2^351123255349 is an apocalyptic number.

It is an amenable number.

351123255349 is a deficient number, since it is larger than the sum of its proper divisors (1).

351123255349 is an equidigital number, since it uses as much as digits as its factorization.

351123255349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 43.

The spelling of 351123255349 in words is "three hundred fifty-one billion, one hundred twenty-three million, two hundred fifty-five thousand, three hundred forty-nine".